Metal working machines and apparatus, namely, punching presses, mechanical presses, hydraulic presses, extrusion presses, forging presses, press brakes, bending machines, shearing machines, stretching machines, peeling machines, gun-drill machines, crankpin millers, crankshaft millers, cylinder block deburring machines; slug choppers, slug upsetters, lathes, molding machines; diamond-pointed metal-cutting tools, namely, end mills; forging moulds, press dies for metal forming; mining machines and apparatus, namely, cutter loaders, rock drills, coal cutting machines, mine borers, coal loaders, truck mills for mining purposes; earth-working machines and apparatus, namely, bulldozers, swamp dozers, amphibious bulldozers, tiredozers, motor scrapers, towed scrapers, rippers and rake dozers; earth-handling machines and apparatus, namely, shovel loaders, wheel loaders, tractor loaders, compactors and loader buckets; excavators, namely, back-hoes, dozer shovels, swamp-type dozershovels, swing dozershovels, powershovels, bucket excavators, mining shovels, trenchers, tunnel boring machines; construction machines and apparatus, namely, drop-hammers, tirerollers, road rollers, asphalt finishers, vibration rollers, vibroplates, pipe-laying machines, motor graders, earth augers, pile-extractors and transmissions for said machines; engraving-type laser-marking machines; mask-type laser-marking machines; complex-type laser-marking machines; controllers for lasermarking; loaders; stackers; reclaimers; winches, chain blocks, hoists, power-jacks, belt-conveyors; dynamos; chain saws; bush cutters; cranes, truck cranes; plastic processing machines and apparatus, namely, compression moulding machines, extrusion moulding machines, injection moulding machines, plastic moulds; semiconductor manufacturing machines; rubber-goods manufacturing machines and apparatus, namely, rubber mixing machines, rubber forming machines; moulds for use in the manufacture of rubber goods; internal combustion engines for machine operation, namely, diesel engines, gasoline engines, mufflers for motors and engines, steam engines, jet engines, turbojet engines, ramjet engines, rocket engines, hydraulic and wind turbines and compressed air engines, nuclear prime movers, sparking plugs, kerosene engines, hot-bulb engines; pneumatic or hydraulic machines and instruments, namely, compressed air pumps, centrifugal pumps, reciprocating pumps, rotary pumps, axial flow pumps, mixed flow pumps; vacuum pumps, namely, reciprocating vacuum pumps, rotary vacuum pumps and diffusion pumps; power blowers, compressors, air-compressors; agricultural machines and implements, namely, plowing machines, harrows, power tillers, raking machines; starters for motors and engines; AC motors and DC motors; AC generators; DC generators; mechanical parking apparatus, namely, power-operated platforms for moving, parking, and storing land vehicles; waste compacting machines; waste crushing machines; machines elements not for land vehicles, namely, cam shafts and shafts for pumps, axles and spindles, bearings, shaft couplings and connectors; power transmissions and gears for machines excluding land vehicles, namely, idling pulleys, pulleys, cams, gears, power transmission belts, toothed wheels or gears, speed change gears, fluid couplings, hydraulic torque converters, roller chains; shock absorbers, springs, brakes, valve for machines excluding land vehicles; snow plows; and mooring winches

Repair or maintenance of automobiles and land vehicles; repair or maintenance of construction equipment, namely, loading and unloading machines and apparatus; repair or maintenance of earth-working and earth handling machines and of other construction machines and apparatus; repair or maintenance of metal working machines and tools; repair or maintenance of mining machines and apparatus; repair or maintenance of internal combustion engines for machine operation, namely, of diesel engines, gasoline engines, mufflers for motors and engines, steam engines, jet engines, turbojet engines, ramjet engines, rocket engines, hydraulic and wind turbines and compressed air engines, nuclear prime movers, sparking plugs, kerosene engines, hot-bulb engines; rental or lease of construction equipment, namely loading and unloading machines and apparatus; rental or lease of earth-working and earth handling machines and of other construction machines and apparatus; rental or lease of metal working machines and tools; rental or lease of mining machines and apparatus; rental or lease of internal combustion engines for machine operation, namely, of diesel engines, gasoline engines, mufflers for motors and engines, steam engines, jet engines, turbojet engines, ramjet engines, rocket engines, hydraulic and wind turbines and compressed air engines, nuclear prime movers, sparking plugs, kerosene engines, hot-bulb engines